/*
	libsimple_support - a mess of C++ utility code
	https://notabug.org/namark/libsimple_support
	https://gitlab.com/namark/libsimple_support
	https://github.com/namark/libsimple_support

	Copyright (C) 2017-2019 respective authors/contributors

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SIMPLE_SUPPORT_LOGIC_HPP
#define SIMPLE_SUPPORT_LOGIC_HPP

#include <type_traits>

namespace simple { namespace support
{

	template <bool...>
	class bools;

	template <bool... vars>
	using and_logic =
		std::is_same<bools<true, vars...>, bools<vars..., true>>;

	template <bool... vars>
	using or_logic = std::integral_constant <bool,
		!std::is_same<bools<false, !vars...>, bools<!vars..., false>>::value >;

	template <bool... conditions>
	using enable_if_all = std::enable_if_t<and_logic<conditions...>::value>;

	template <bool... conditions>
	using enable_if_any = std::enable_if_t<or_logic<conditions...>::value>;

}} // namespace simple.support

#endif /* end of include guard */
